package NGUYENTHECUONG_DEMO;

public class Tringle {

	private double side01;
	private double side02;
	private double side03;
	
	public  Tringle(){
		side01 =5.0;
		side02 =6.0;
		side03 =1.0;
	}
	public Tringle(double side01,double side02, double side03){
		this.side01=side01;
		this.side02=side02;
		this.side03=side03;
	}
	public double getSide01() {
		return side01;
	}
	public void setSide01(double side01) {
		this.side01 = side01;
	}
	public double getSide02() {
		return side02;
	}
	public void setSide02(double side02) {
		this.side02 = side02;
	}
	public double getSide03() {
		return side03;
	}
	public void setSide03(double side03) {
		this.side03 = side03;
	}
	
	//4 phuong thuc
	public double Area(){
		double a= (side01+side02+side03)/2;
		return Math.sqrt(a*(a-side01) * (a-side02) * (a -side03));
	}
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
}
